Cover-fastening for stop-cock boxes.



` w. P. TAYLOR. COVER FASTENING FOR STOP COCK BOXES.A

l APPLICATION FILED MAY I3. 1914.

1,157,062. I 'y Patented 00h191915.

m H T Tfn HNEYE..

W'ILLIAM'RY TAYLon, cnnuntnrio, NEW Yvonne mames.

Appiicationvieanayis, 1914.1 serial No. 838,300;

' To all whom t may concern Be itknown that I, WILLTIAM '-llnY- non-,1,a citizenof the United States, residing atBufalo, in the county of Erieand' State specification.

Y This invention relates to` means for fas-V tening a cover, cap orVVclosure over the end of a pipe and more particularly to aj fas.- teningdeviceY for the covers of4 stop cock boxesorpi-pes. e

It is the objectyof this invention to provide a fastening forthev coversof such pipes or boxes which can be producedY at comparatively low cost,whichpe'rmits' the cover to bef easily and conveniently appliedto orremoved from the box, and which` will securely hold thecover ontheboxand preventjthe same from becoming displaced by frost Vorvotherwise. f.

In the accompanying drawings: Figure l is avertical section ofa stopcockbox or pipe having its cover secured; theretov by my improved fastening.Fig'. 2 is a` detached side elevation of` the' cover equipped with partof the,fas-tener containingvmyinvenj tion. Fig. 3 is a horizontalsectiontaken in line 3-3, Fig. 1, looking upwardly.

l t VSimilar characters ofreference lndicate correspondingl partsthroughout the several Thel stop cock-boxer pipel may be of any suitableconstruction buta`s shown in the drawings the same is made of cast metalin the usual-and'well known way and provided at its upperend with anannularup'wardly projecting flange 2, an external upwardly facingshoulder 3 at the base of said flange and a locking. lug 4 projectinginwardly from one partof'thejbore of the pipe adjacent to itsvupper'end.t j v 5 represents the disk or body of the cover of the box or pipewhich is adapted torest with its underside against the Upper edge of thepipe fiange 2 and provided with a downwardly projecting annular flangeV@which surrounds the pipe flange. in theclosedl posiijon of the cover,as shownby full lines in Projecting .downwardly from thecentral part ofthe'underside of the cover disk is a depending shankl or neck 7 which'isprefer- Specification ofLetters Patent.

` oovnnsrnsrnivnve non STOP-coen Boxes.

` Patented 0015.19; 1915;.

ably constructed in the form of a hollowicy-v lindrical tubefor thepurpose of making the same' light'and reducing the amount of metal usedin the same. vOn thelower part Y of theperiphery of this neck the same',is

provided-with a lclamp-ng screw thread 8f beginning preferably at thelower end ofV theneck andl yextending upwardly around the same' at leastone-turn, preferably about one andtwo thirds turns, as' shown in thedrawings. The peripheraldiameterof this thread; isless than 4thedistance from the- -innerjend o ffthe locking lug 4, andthediametrically opposite .part of the bore kof the i stop cock box orpipe.

`For thepurpose ofL attaching t'hejcover,k

tol the-'boli its threadedshank is. rst passed downwardly i'nto the boxor pipe through the spacebetween the inner end of the 'lock- `ing lugand the diametrically oppositepart of the b ox, as shownby dotted linesinjFig.

1,' at vwhich time the cover, neck and screw thread are arrangedeccentrcally or axially outofline relatively tothe axis of the box.

After-the cover has been lowered sufliciently` tobring a. partofitsscrew thread below' the lockingy lug of the box and while theflange of the cover ishstillabove the flange ofthe box,the covenis movedlaterally so thatthe cover is :in this position the same rotated sameiii-axial alinernent with the box and I a part of the screw `en the neck`is, arranged inthe Vdirection forfcausing the screw f tlireadfbywedging engagementi` with the locking lug to draw. .the cover downwardlyuntil the undersideof the cover engages with the lupper 'endofIthelrvbox flangel and the cover flange,V surrounds the .box flange, `4asshown ,by full linesjin'A F ig.` l. By" this means the cover canabesecurely tightened and reliably held in place on thebox so that thesamecannot be lifted or broken by frost* or otherwise. from the box iseffected in a manner reverse to the operation just described foriapplying the same to the box.

For the purpose of shiftingthe covenne'ck and thread laterallypositively/in a vdirection for engaging apart of thethread underneath'the lockingflugwhen the "neck has beenflowereda sufliicient extent in.thejbox means are. provided .which preferably con? The removal. of Vthecover sistsf of a shifting lug arranged on the f Yso inner side or boreof the box diametrically opposite to thelocking lug and on a line belowthe same and provided with an inclined face l0 at its upper end. Uponlowering the neck and screw in the box a part of this thread engageswith the inclinedface of the shifting lug causing the neck, n

cover andthread to be shifted laterally for bringing these parts axiallyin line with the box and carrying a part of the thread underneath thelocking lug. This shifting lug therefore insures moving of the clampingthread into engagement with the locking lug at the proper time andfacilitates ap-I plying the cover to the box.'

While the cover is screwed down fully on the box the'interlocked flangesof these members 'prevent the coverv from moving laterally relatively tothe box, thus confining the screw thread underneath the locking lug andpreventing accidentalfdetachment of the cover from the box.

The cover and its flange, neck and thread are preferably cast in onepiece for cheapness of manufacture and the same may be turned in eitherdirection for tightening or loosening the same on the box by anysuitable means but preferably by means of a Spanner wrench adapted toengage with notches ll, 11 formed on diametrically opposite sides of thecover.

The length of the neck 7 and thediameter of the thread 8 of the pipeclosure and their construction and proportion relatively to the pipe land the locking lug 4 are such that the initial engagement of saidthread with the underside of the locking lug may be affected byinserting the shank and thread into the pipe while the same and the disk5 and flange 6 are tilted relatively to the pipe, after which the partsof the closure may be shifted into an upright concentric positionrelatively to the pipe'and the closure secondly fastened to the pipeV byturning the same forwardly, so that the screw by working against the lugl will draw the disk 5 and flange 6 against the end o-f the pipe.

I claim as my invention: K

l. A cover for a pipe having anv internal locking lug on one side of itsbore while the opposite side of said bore is unprovided with ai lockinglug, comprising a disk adapted to extend over the upper end of the pipe,an

i annular depending flange adapted to engage with the outer side of saidpipe, a shank depending from the underside of the disk and adapted toextend downwardly along the inner end of said lug, and a screw threadarranged on the exterior of saidshank and extending at least onecomplete turn cir-- cumferentially around the saine, the peripheraldiameter of said thread being less than the distance from the inner edge.of said locking lug to the diametrically opposite part lof the bore ofthe pipe, said shank and vthread being movable downwardly betweenrsaidlugand the opposite side of the pipe and then laterally for engagingsaid thread with said lug before said flange engages with the peripheryof said pipe.

2. The combination of a pipe provided on one side of its upper end withan internal locking lug and on its opposite side below the plane of thelocking lug with a shifting lug having Ianinclined face which slopesinwardly and downwardly, and a cover comprising a disk adapted to extendover the top of the pipe, a shank depending from the disk, and a screwthread arranged on the exterior of said shank and adapted to engage withthe inclined face of said shifting lug and to be moved laterally therebyso as to engage another part of said thread with the underside of saidlocking lug.

3. The combination of a pipe having a flange at its'upper end and alocking lug on one side of its bore, and a cover having a disk extendingover the topl of said pipe, an annular flange surrounding the flange ofthe pipe, a shank depending from said disk, and a screw thread extendingat least one turn around the shank and engaging the underside of saidlocking lug, the peripheral diameter of said thread being less than thedistance from the inner end of said lug to the diametrically oppositepart of the bore of said box, said shank and thread being movabledownwardly between said lug and the opposite side of the pipe and thenlaterally for engaging said thread with said lug before said flangeengages with the periphery of said pipe.

' et. llfhe combination of a pipe having a flange at its upper end, alocking lug on one side of its bore, a shifting lug arranged on theopposite side of the bore of the box below the plane ofthe locking lugand having an inwardly and downwardly inclined face, and a cover havinga-disk extending over the top of said pipe, an annular flangesurrounding the flange of the pipe, a shank depending from said disk, ascrew thread ex tending at least one turn around the shank and engagingthe underside of said locking lug, the peripheral diameter of saidthread being less than the distance from the inner end of said lug tothe diametrically opposite part of the bore of said pipe, and a part ofsaid thread on one side of said shank being adapted to engage saidinclined lug for shifting a part of the thread on the opposite side ofthe shank underneath said locking lug.

5. The combination of a pipe provided on one side of its bore adjacentto the outer end thereof with an inwardly projecting locking lug, and acover having a disk adapted to extend over the outer end of the pipe, amarginal flange adapted to engage the periphery of the pipe, a shankprojecting from llO V1,157,06a y 3 the underside of said disk intothepipe, and into' the-pipe While the same and the disk a screw threadarranged on the outer side of and flange are tilted relatively to thepipe. 10:

said shank and adapted to engage With the fitness my hand this 11th dayof May,V underside of said lug, said shank being of*l 1914.

i such length and said thread being of such f WILLIAM PERRY TAYLOR.

diameter that the initial engagement'of said V/Vitnesses thread with theunderside of said lug may Y THEO. L. POPP, be effected by inserting theshank and thread ANNA HEIGIS.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents, v

Washington, D. C.

It is hereby certified that in Letters Patent No. 1,157,062, grantedOctober 19, 4 1915, upon the application of William Perry Taylor, ofBuffalo, New York, for an improvement in Cover-Fastenings for Stop-CockBoxes, an error appears in the printed specication requiring correctionas follows: Page 2, lines 43-44 for the Word secondly read securely; andthat the said Letters Patent should be read With this correction thereinthat the same may conform to the record ofthe case in the Patent OHce.

Signed and sealed this 9th day of November, A. D., 1915.

[SEAL] J. T. NEWTON,

Acting Commissioner of Patents.

